Home / 51,807,929.10-71,493,519.12-28,602,634.38

Finding the Fourth Proportional to 51,807,929.10, 71,493,519.12 and 28,602,634.38

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Solution

The fourth proportional to 51,807,929.10, 71,493,519.12 and 28,602,634.38 is: 39,470,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,807,929.10 : 71,493,519.12 = 28,602,634.38 : x
  2. Step 2: Convert to fraction form
    51,807,929.10/71,493,519.12 = 28,602,634.38/x
  3. Step 3: Cross multiply
    51,807,929.10x = 71,493,519.12 × 28,602,634.38
  4. Step 4: Simplify right side
    51,807,929.10x = 2,044,902,987,928,899.50
  5. Step 5: Solve for x
    x = 2,044,902,987,928,899.50/51,807,929.10
  6. Step 6: Final answer
    x = 39,470,849.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.